CN106920524A - Display panel and driving method - Google Patents
Display panel and driving method Download PDFInfo
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- CN106920524A CN106920524A CN201710235795.8A CN201710235795A CN106920524A CN 106920524 A CN106920524 A CN 106920524A CN 201710235795 A CN201710235795 A CN 201710235795A CN 106920524 A CN106920524 A CN 106920524A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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- Crystallography & Structural Chemistry (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of display panel and driving method, driving method includes：Data drive circuit provides the first data voltage to data wire within the precharge period；The second data voltage is provided to data wire data drive circuit in the period is charged normal, the precharge period constitutes a complete charge cycle with the period is charged normal, and the first data voltage is more than second data voltage.Through the above way, the present invention can shorten the charging interval of pixel and improve charge rate.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel and driving method.
Background technology
, used as current main flow display, with development, people are to LCD for Thin Film Transistor-LCD (TFT-LCD)
Definition requirement also more and more higher, the resolution requirement of display also more and more higher, the demand of opposite board size under same size
Also increasing, the increase of panel size directly causes that data wire constantly increases with grid line length, and data wire drives with grid
The load of dynamic circuit is larger, and data wire is serious with the voltage signal decay of gate driving circuit, cause undertension so that each
Pixel voltage reaches saturation state, and then causes the display quality reduction of liquid crystal display panel.
The content of the invention
The present invention provides a kind of display panel and driving method, can shorten the charging interval of pixel and improve charge rate.
One aspect of the present invention is：A kind of driving method of display panel is provided, wherein, the display surface
Plate includes a plurality of gate line and for driving a plurality of of the gate driving circuit of gate line setting orthogonal with the gate line
Data wire and the data drive circuit for driving the data wire, the gate line are orthogonal with the data wire forming multiple
Pixel cell, methods described includes：The data drive circuit provides the first data to the data wire within the precharge period
Voltage；The data drive circuit in the period is charged normal the second data voltage, the precharge are provided to the data wire
Period and it is described charge normal the period constitute a complete charge cycle, first data voltage be more than second data
Voltage.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of display panel is provided, wherein
The display panel includes a plurality of gate line and for driving the gate driving circuit of the gate line orthogonal with the gate line
The a plurality of data lines of setting and the data drive circuit for driving the data wire, the gate line are orthogonal with the data wire
To form multiple pixel cells；Wherein, the data drive circuit, for providing the to the data wire within the precharge period
One data voltage, and for charging normal in the period to the data wire the second data voltage of offer, the precharge period
Period one complete charge cycle of composition is charged normal with described, first data voltage is more than second data electricity
Pressure.
The beneficial effects of the invention are as follows：A kind of display panel and driving method are provided, by using two groups of data voltages, point
Not Wei the first data voltage and the second data voltage, when being charged to often row pixel cell, first from magnitude of voltage it is larger first
Data voltage enters line precharge, then is charged from less second data voltage of magnitude of voltage, can shorten the charging interval of pixel
And improve charge rate.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of displaying panel driving method first embodiment of the present invention；
Fig. 2 is the schematic flow sheet of displaying panel driving method second embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the implementation method of displaying panel driving method of the present invention 3rd；
Fig. 4 is the schematic flow sheet of the implementation method of displaying panel driving method of the present invention 4th；
Fig. 5 is the structural representation of display panel first embodiment of the present invention；
Fig. 6 is the structural representation of display panel second embodiment of the present invention；
Fig. 7 is the structural representation of the implementation method of display panel of the present invention 3rd；
Fig. 8 is the structural representation of the implementation method of display panel of the present invention 4th.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is the schematic flow sheet of the driving method first embodiment of display panel of the present invention.This shows
Show that panel includes a plurality of gate line and many datas for driving the setting orthogonal with gate line of the gate driving circuit of gate line
Line and the data drive circuit for driving data line, gate line are orthogonal with the data wire with the multiple pixel cells of formation.Its
In, the data drive circuit and gate driving circuit of the display panel can fill technology (Chip On by crystal grain mantle structure
Film, COF) it is integrated on FPC, in a particular embodiment, the display panel can also include time schedule controller
(Timing Controller, TOCN), for providing data-signal and driving control signal, and the sequential for the display panel
Controller can be by Low Voltage Differential Signal (mini-Low Voltage Differential Signaling, mini-LVDS)
Gate driving circuit and data drive circuit on output interface and COF, and carry out data transmission to it.Wherein, mini-
LVDS is a kind of difference signal technique of the low amplitude of oscillation, and its low pressure width and low current drive output to realize low interference and low-power consumption, and
Transmission rate is generally up to 340MHZ.As shown in figure 1, the driving method includes following flow：
S110, data drive circuit provides the first data voltage to data wire within the precharge period.
In step S110, in the precharge time period, time schedule controller is believed raster data model by mini-LVDS first
Number transmit to gate driving circuit with so that the thin film transistor (TFT) (TFT) of a line is opened by the control of gate drive signal, number
The first data voltage is provided to data wire enter line precharge with to the row pixel cell according to drive circuit.Wherein, first data
Voltage is current gray value corresponding data voltage in a Gamma mapping tables, and a Gamma mapping tables include different ashes
Rank is worth and the mapping between data voltage.In an application scenarios of the invention, the precharge time can be gate drive signal
Half period, and the precharge time can be adjusted according to actual conditions, the present invention is not specifically limited.
S120, the second data voltage is provided data drive circuit in the period is charged normal to data wire, is pre-charged the period
A complete charge cycle is constituted with the period is charged normal, the first data voltage is more than the second data voltage.
In step S120, after the completion of precharge, the row pixel cell within the time period, is counted into the period is charged normal
Charged normal to all of pixel cell of the row by data wire according to drive circuit.Wherein, above-mentioned second data voltage is
Current gray value corresponding data voltage in the 2nd Gamma mapping tables, the 2nd Gamma mapping tables include different grey decision-makings with
Mapping between data voltage.It should be noted that, any grey decision-making corresponding data voltage in a Gamma mapping tables is more than
The corresponding data voltage in the 2nd Gamma mapping tables, by taking 8bit panels as an example, can show 256 luminance levels, i.e., 256 ashes
Rank, 0 to 255 any GTGs corresponding first data voltage in a Gamma mapping tables is all higher than any GTG second
Corresponding second data voltage in Gamma mapping tables, and the second data voltage is voltage when display panel normally shows.And should
The precharge period of row pixel cell and charge normal the period and constitute a complete charge cycle, and precharge period and just
Normal charge period can be continuous, it is also possible to there is certain time delay.After the completion of one charge cycle, the row pixel list is closed
The thin film transistor (TFT) TFT of unit, charges to next line pixel cell.
Fig. 2 is referred to, Fig. 2 is the schematic flow sheet of the driving method second embodiment of display panel of the present invention.
S210, data drive circuit receives current gray value and is converted into the first number using a Gamma mapping tables
According to voltage.
In the precharge time period, time schedule controller is transmitted to grid gate drive signal by mini-LVDS first
Pole drive circuit is opened with the thin film transistor (TFT) (TFT) for causing a line by the control of gate drive signal, and data-driven electricity
Road receives the current gray value from time schedule controller transmission and is converted into the first data electricity using a Gamma mapping tables
Pressure, and first data voltage is current gray value corresponding data voltage in a Gamma mapping tables, a Gamma reflects
Firing table includes the mapping between different grey decision-making and data voltage, and a Gamma mapping tables can be by corresponding Gamma electricity
Road the grey decision-making that data drive circuit receives time schedule controller is converted into pixel cell needed for data voltage.Wherein, on
The Gamma circuits stated are integrated with the data drive circuit.
S220, data drive circuit provides the first data voltage to data wire within the precharge period.
S230, data drive circuit receives current gray value and is converted into the second number using the 2nd Gamma mapping tables
According to voltage.
After the completion of precharge, into before charging normal the period, data drive circuit receives current gray to the row pixel cell
Value is simultaneously converted into the second data voltage using the 2nd Gamma mapping tables.Second data voltage is that current gray value exists
Corresponding data voltage in 2nd Gamma mapping tables, the 2nd Gamma mapping tables are included between different grey decision-making and data voltage
Mapping.Data drive circuit can be received time schedule controller by the 2nd Gamma mapping tables by corresponding Gamma circuits
Grey decision-making be converted to pixel cell needed for data voltage, the Gamma circuits and data drive circuit are integrated.
S230, the second data voltage is provided data drive circuit in the period is charged normal to data wire, is pre-charged the period
A complete charge cycle is constituted with the period is charged normal, the first data voltage is more than the second data voltage.
Fig. 3 is referred to, Fig. 3 is the schematic flow sheet of the implementation method of driving method the 3rd of display panel of the present invention.
S310, data drive circuit is received and comes from the first data voltage of Gamma circuits within the precharge period, and to
Data wire provides the first data voltage.
In the precharge time period, time schedule controller is transmitted to grid gate drive signal by mini-LVDS first
Pole drive circuit is opened with the TFT for causing a line by the control of gate drive signal, and data drive circuit is received and come from
First data voltage of Gamma circuits, and provide the first data voltage to data wire.Wherein, the Gamma circuits and SECO
Device is integrated, and in other embodiments, Gamma circuits can also be independently arranged, not with time schedule controller or data-driven
Circuit is integrated.The current gray value that Gamma circuits transmit time schedule controller is converted directly into the first data voltage biography
Data drive circuit is defeated by, pixel cell of the data drive circuit by data wire to the row enters line precharge, during the precharge
Between can be gate drive signal half period, and the precharge time can be adjusted according to actual conditions, the present invention
It is not specifically limited.
S320, data drive circuit receives the second data voltage for coming from Gamma circuits in normal charging period section,
And the second data voltage is provided to data wire, the precharge period constitutes a complete charge cycle with the period is charged normal, the
One data voltage is more than the second data voltage.
In normal charging period section, data drive circuit receives the second data voltage for coming from Gamma circuits, Gamma
The current gray value that circuit transmits time schedule controller is converted directly into the second data voltage and is transferred to data drive circuit, and leads to
The pixel cell that data wire is crossed to the row is charged normal.Wherein, the first above-mentioned data voltage is more than the second data voltage,
And the precharge period of the row pixel cell constitutes a complete charge cycle, and the precharge period with the period is charged normal
Can be continuous with the period is charged normal, it is also possible to there is certain time delay.After the completion of one charge cycle, the row picture is closed
The thin film transistor (TFT) TFT of plain unit, charges to next line pixel cell.
Fig. 4 is referred to, Fig. 4 is the schematic flow sheet of the implementation method of driving method the 4th of display panel of the present invention.
S410, data drive circuit receives the first data voltage for coming from time schedule controller within the precharge period, and
The first data voltage is provided to data wire.
In the precharge time period, time schedule controller is transmitted to grid gate drive signal by mini-LVDS first
Pole drive circuit is opened with the thin film transistor (TFT) TFT for causing a line by the control of gate drive signal, and data drive circuit connects
Receipts come from the first data voltage of time schedule controller, and provide the first data voltage to data wire.Wherein, in the embodiment,
Time schedule controller further includes Gamma circuits, and the current gray value that Gamma circuits transmit time schedule controller is converted directly into
First data voltage is transferred to data drive circuit, and pixel cell of the data drive circuit by data wire to the row carries out preliminary filling
Electricity, the precharge time can enter for the half period of gate drive signal, and the precharge time according to actual conditions
Row regulation, the present invention is not specifically limited.
S320, data drive circuit receives the second data electricity for coming from time schedule controller in normal charging period section
Pressure, and the second data voltage is provided to data wire, the precharge period constitutes a complete charge cycle with the period is charged normal,
First data voltage is more than the second data voltage.
In normal charging period section, data drive circuit receives the second data voltage for coming from time schedule controller, herein
It is also that the current gray value for being transmitted time schedule controller by Gamma circuits is converted directly into the second data voltage and is transferred to data
Drive circuit, and pixel cell by data wire to the row charged normal.Wherein, the first above-mentioned data voltage is more than
Second data voltage, and the precharge period of the row pixel cell and charge normal the period constitute a complete charge cycle,
And precharge period and to charge normal the period can be continuous, it is also possible to there is certain time delay.One charge cycle is complete
Cheng Hou, closes the thin film transistor (TFT) TFT of the row pixel cell, and next line pixel cell is charged.
Above-mentioned implementation method, by using two groups of data voltages, when being charged to often row pixel cell, first from magnitude of voltage
The first larger data voltage enters line precharge, then is charged from the less second Data Data voltage of magnitude of voltage, can shorten
The charging interval of pixel and raising charge rate.
Fig. 5 is referred to, Fig. 5 is the structure journey schematic diagram of an implementation method of display panel of the present invention.As shown in figure 5, should
Display panel 10 includes：A plurality of gate line 11 and for driving the gate driving circuit 12 of gate line 11 orthogonal with gate line 11
The a plurality of data lines 13 of setting and the data drive circuit 14 for driving data line 13, gate line 11 it is orthogonal with data wire 13 with
Form multiple pixel cell A.Wherein, gate driving circuit 12 and data drive circuit 14 can be existed by COF Integration ofTechnologies
On FPC 16.
The display panel 10 also includes time schedule controller 15, for being controlled for the display panel 10 provides data-signal and drives
Signal processed, and the time schedule controller 15 is by the gate driving circuit 12 on mini-LVDS output interfaces and FPC 16
And data drive circuit 14, and transmit data to it.And within the precharge period, data drive circuit 14 is used for data wire
13 provide the first data voltage, and the second data voltage is provided period inbound data line 13 is charged normal.Wherein, the first data electricity
Pressure is current gray value corresponding data voltage in a Gamma mapping tables, and the second data voltage is current gray value
Corresponding data voltage in two Gamma mapping tables, first/second Gamma mapping tables include different grey decision-making and data voltage
Between mapping relations, and any grey decision-making in a Gamma mapping tables corresponding data voltage more than being reflected in the 2nd Gamma
Corresponding data voltage in firing table, and the second data voltage is voltage when display panel 10 normally shows.Wherein, during precharge
Section constitutes a complete charge cycle with the period is charged normal.Specifically, the specific embodiment of display panel 10 refer to
First embodiment in above method embodiment, detailed description is referred to above, and here is omitted.
Fig. 6 is referred to, Fig. 6 is the structure journey schematic diagram of the 3rd implementation method of display panel of the present invention.With the reality in Fig. 5
The mode difference of applying is, in the present embodiment, display panel also includes Gamma circuits, and the Gamma circuits and data-driven
Circuit is integrated.It is described in detail below：
Display panel 20 includes：A plurality of gate line 21 and gate driving circuit 22 and grid for driving gate line 21
The a plurality of data lines 23 and the data drive circuit 24 for driving data line 23 of the orthogonal setting of line 21, gate line 21 and data wire
23 is orthogonal to form multiple pixel cell B, and gate driving circuit 22 and data drive circuit 24 pass through COF Integration ofTechnologies soft
On property wiring board 26.Wherein, data drive circuit 24 is used to provide the first data voltage in precharge period inbound data line 23；
Charge normal period inbound data line 23 provide the second data voltage, precharge the period and it is described charge normal the period composition one
Individual complete charge cycle, and the first data voltage is more than the second data voltage.
The display panel 20 also includes time schedule controller 25, for being controlled for the display panel 30 provides data-signal and drives
Signal processed.
The display panel 20 also includes Gamma circuits 27, and the Gamma circuits 27 are integrated in one with data drive circuit 24
Rise, for receiving current gray value, and grey decision-making is converted into the first data voltage and the second data voltage.Detailed work
Principle refers to the second embodiment in above-mentioned driving method embodiment, and here is omitted.
Fig. 7 is referred to, Fig. 7 is the structure journey schematic diagram of the 3rd implementation method of display panel of the present invention.With the reality in Fig. 6
The mode difference of applying is that Gamma circuits are integrated with time schedule controller in the present embodiment.It is described in detail below：
As shown in fig. 7, the display panel 30 includes：A plurality of gate line 31 and the raster data model electricity for driving gate line 31
The a plurality of data lines 33 and the data drive circuit 34 for driving data line 33 of road 32 and the orthogonal setting of gate line 31, grid
Line 31 is orthogonal with data wire 33 to form multiple pixel cell C, and gate driving circuit 32 and data drive circuit 34 pass through COF
Integration ofTechnology is on FPC 36.Wherein, data drive circuit 34 is used to be provided in precharge period inbound data line 33
First data voltage；The second data voltage is provided period inbound data line 33 is charged normal, the period is pre-charged and is charged normal
Period constitutes a complete charge cycle, and the first data voltage is more than the second data voltage.
The display panel 30 also includes time schedule controller 35, for being controlled for the display panel 30 provides data-signal and drives
Signal processed.Further, the time schedule controller 35 is used to receive current gray value, and current gray value is made within the precharge period
The first data voltage is converted to a Gamma mapping tables and current gray value is charged normal in the period using the described
Two Gamma mapping tables are converted to the second data voltage, and first/second Gamma mapping tables include different grey decision-makings with data electricity
Mapping relations between pressure, and any grey decision-making corresponding data voltage in a Gamma mapping tables is more than second
Corresponding data voltage in Gamma mapping tables.
Gamma circuits 37 when the display panel 30 also includes, the Gamma circuits 37 are integrated in one with time schedule controller 35
Rise.Wherein, Gamma circuits 37 are used to receive the current gray signal value of the transmission of time schedule controller 35, and are converted into correspondence
The the first/bis- data voltage, data drive circuit 34 is transferred to by mini-LVDS, data drive circuit 34 is received and come from
First data voltage and the second data voltage of time schedule controller 35, charge to all of pixel cell C of the row respectively.Wherein,
Above-mentioned precharge period and it is described charge normal the period and constitute a complete charge cycle, and the first data voltage is more than the
Two data voltages, concrete principle description refers to the 4th implementation method of above-mentioned driving method embodiment, and here is omitted.
Certainly, in other embodiments, Gamma circuits can also be independently arranged, as shown in figure 8, Fig. 8 is aobvious for the present invention
Show the structure journey schematic diagram of the 4th implementation method of panel.Gamma circuits in the present embodiment are independently disposed to time schedule controller
Between 45 and data drive circuit 44, and in the present embodiment, Gamma circuits 47 are used to receive current gray value, and state current ash
Rank value is converted to the first data voltage and by current gray value normal within the precharge period using a Gamma mapping tables
The second data voltage is converted to using the 2nd Gamma mapping tables in charge period, the first/second Gamma mapping tables include
Mapping relations between different grey decision-makings and data voltage, and any grey decision-making corresponding number in a Gamma mapping tables
It is more than the corresponding data voltage in the 2nd Gamma mapping tables according to voltage.
Data drive circuit 44, the first data voltage of Gamma circuits 47, and the second data electricity are come from for receiving
Pressure.And specific operation principle is also repeated no more referring to the 3rd implementation method of above-mentioned driving method embodiment herein.
In above-mentioned implementation method, by using two groups of data voltages, respectively the first data voltage and the second data voltage,
When being charged to often row pixel cell, first enter line precharge from the first larger data voltage of magnitude of voltage, then from magnitude of voltage
Less second data voltage charges, and can shorten the charging interval of pixel and improve charge rate.
In sum, it should be readily apparent to one skilled in the art that the present invention provides a kind of display panel and driving method, pass through
Using two groups of data voltages, respectively the first data voltage and the second data voltage, when being charged to often row pixel cell, first select
Enter line precharge with the first larger data voltage of magnitude of voltage, then charged from less second data voltage of magnitude of voltage, can
Shorten the charging interval of pixel and improve charge rate.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of driving method of display panel, it is characterised in that the display panel includes a plurality of gate line and for driving
The a plurality of data lines of the gate driving circuit of gate line setting orthogonal with the gate line and for driving the data wire
Data drive circuit, the gate line is orthogonal with the data wire to form multiple pixel cells, and methods described includes：
The data drive circuit provides the first data voltage to the data wire within the precharge period；
The second data voltage is provided to the data wire the data drive circuit in the period is charged normal, during the precharge
Section charges normal period one complete charge cycle of composition with described, and first data voltage is more than second data electricity
Pressure.
2. driving method according to claim 1, it is characterised in that first data voltage is current gray value
Corresponding data voltage in one Gamma mapping tables, second data voltage is that the current gray value maps in the 2nd Gamma
Corresponding data voltage in table, the first/second Gamma mapping tables include reflecting between different grey decision-making and data voltage
Penetrate relation, and any grey decision-making in a Gamma mapping tables corresponding data voltage more than being reflected in the 2nd Gamma
Corresponding data voltage in firing table.
3. driving method according to claim 2, it is characterised in that the data drive circuit within the precharge period to
Data wire is further included before providing the first data voltage：
The data drive circuit receives the current gray value and is converted into first using a Gamma mapping tables
Data voltage；
It is described to charge normal the data drive circuit in the period and provided to the data wire advance one of the second data voltage
Step includes：
The data drive circuit receives the current gray value and is converted into second using the 2nd Gamma mapping tables
Data voltage.
4. driving method according to claim 2, it is characterised in that further include：
The data drive circuit receives the first data voltage for coming from Gamma circuits within the precharge period；
The second data voltage for coming from the Gamma circuits is received the data drive circuit in the period is charged normal.
5. driving method according to claim 2, it is characterised in that further include：
The data drive circuit receives the first data voltage for coming from time schedule controller within the precharge period；
The second data voltage for coming from the time schedule controller is received the data drive circuit in the period is charged normal.
6. driving method according to claim 1, it is characterised in that second data voltage be the display panel just
Voltage when often showing.
7. a kind of display panel, it is characterised in that the display panel includes a plurality of gate line and for driving the gate line
Gate driving circuit setting orthogonal with the gate line a plurality of data lines and the data-driven for driving the data wire
Circuit, the gate line is orthogonal with the data wire with the multiple pixel cells of formation；
Wherein, the data drive circuit, for providing the first data voltage to the data wire within the precharge period, and uses
In providing the second data voltage to the data wire charging normal in the period, precharge period and described when charging normal
Mono- complete charge cycle of Duan Zucheng, first data voltage is more than second data voltage.
8. display panel according to claim 7, it is characterised in that the display panel further includes Gamma circuits,
The Gamma circuits are used to receive current gray value, and the current gray value is used into first within the precharge period
Gamma mapping tables are converted to first data voltage and the current gray value are used in described charging normal in the period
2nd Gamma mapping tables are converted to second data voltage, and the first/second Gamma mapping tables include different GTGs
Mapping relations between value and data voltage, and any grey decision-making corresponding data voltage in a Gamma mapping tables
More than the corresponding data voltage in the 2nd Gamma mapping tables；
The data drive circuit, is additionally operable to receive the first data voltage for coming from the Gamma circuits, and come for receiving
From in the second data voltage of the Gamma circuits.
9. display panel according to claim 7, it is characterised in that the data drive circuit is used to receive current gray
Value, and the current gray value is converted into first data within the precharge period using a Gamma mapping tables
Voltage and the current gray value is converted to described second in described charging normal in the period using the 2nd Gamma mapping tables
Data voltage, the first/second Gamma mapping tables include the mapping relations between different grey decision-making and data voltage, and
It is right in the 2nd Gamma mapping tables that any grey decision-making corresponding data voltage in a Gamma mapping tables is more than
The data voltage answered.
10. display panel according to claim 7, it is characterised in that the display panel also includes time schedule controller, institute
Time schedule controller is stated for receiving current gray value, and the current gray value is used first within the precharge period
Gamma mapping tables are converted to first data voltage and the current gray value are used in described charging normal in the period
2nd Gamma mapping tables are converted to second data voltage, and the first/second Gamma mapping tables include different GTGs
Mapping relations between value and data voltage, and any grey decision-making corresponding data voltage in a Gamma mapping tables
More than the corresponding data voltage in the 2nd Gamma mapping tables；
The data drive circuit, is additionally operable to receive the first data voltage for coming from time schedule controller, and come from for receiving
In the second data voltage of the time schedule controller.
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| CN107369417A (en) * | 2017-07-19 | 2017-11-21 | 深圳市华星光电技术有限公司 | Overturn the driving method of pixel structure and its liquid crystal display |
| CN108648694A (en) * | 2018-05-03 | 2018-10-12 | 上海天马有机发光显示技术有限公司 | A kind of driving method of display device and display device |
| CN109119022A (en) * | 2018-09-12 | 2019-01-01 | 武汉天马微电子有限公司 | Luminance compensation unit and method of OLED (organic light emitting diode) pixel, display panel and device |
| CN109215563A (en) * | 2018-11-26 | 2019-01-15 | 京东方科技集团股份有限公司 | Data write-in control method, unit, pixel-driving circuit and display device |
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| CN109215563A (en) * | 2018-11-26 | 2019-01-15 | 京东方科技集团股份有限公司 | Data write-in control method, unit, pixel-driving circuit and display device |
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| CN112992034A (en) * | 2019-12-16 | 2021-06-18 | 乐金显示有限公司 | Display device, data driving circuit and data driving method |
| CN112992034B (en) * | 2019-12-16 | 2024-12-27 | 乐金显示有限公司 | Display device, data driving circuit and data driving method |
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| CN112885309A (en) * | 2021-04-16 | 2021-06-01 | 京东方科技集团股份有限公司 | Pixel charging method and device, display equipment and storage medium |
| CN112885309B (en) * | 2021-04-16 | 2022-11-22 | 京东方科技集团股份有限公司 | Pixel charging method and device, display equipment and storage medium |
| CN114005394A (en) * | 2021-09-30 | 2022-02-01 | 惠科股份有限公司 | Array substrate, array substrate driving method, display panel and display |
| CN114005394B (en) * | 2021-09-30 | 2022-07-22 | 惠科股份有限公司 | Array substrate, array substrate driving method, display panel and display |
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